Folder Names Versus File Names: Where Dates Go
Decide whether the date belongs on the folder, the file, or both, so you are not typing it twice by accident.
Dates leak into every level of a folder tree when nobody decides which level owns them. You get a folder called 2024-trips, a subfolder called 2024-june-trip, and a file called 2024-06-12-trip-photo. Nothing is wrong in isolation. Together they are noisy, and the day you move a file you must remember which date was doing the real work. Put the date at the level where you will browse, and let the other level stay quiet.
Folders answer where a group belongs
A folder name should tell you why these files are together. A year, a project, a person, or a box are good reasons. A folder for one event can carry the event date if you will browse a shelf of events by time. Inside it, the files can be shorter: arrival, speech, group-photo. The folder has already said when. Repeating the full date on every file helps only when those files are likely to be separated from the folder later, for example if you send one photo to a relative and the folder context will not travel with it. If files often leave home, put the date on the file. If they live and die in the folder, the folder can hold it.
Files answer which item this is
A file name has to distinguish one item from the neighbor in the same window. Page numbers, a short subject, and a version word you have defined belong here. A date belongs on the file when each file has its own date, such as a folder of letters written across many years. Putting only the year on the folder and the full date on each letter is a clean split. Putting a unique date only on the folder, while the letters inside are named scan1 and scan2, throws away the fact that the letters were not written on the same day. Match the date to the thing that actually has that date.
Both levels should survive a move
People reorganize. A file dragged onto a desktop loses its folder name immediately. If the date existed only on the parent folder, the loose file becomes an orphan with a vague name. That is the argument for a little duplication on the files you might share or resort. It is not an argument for stamping every layer of a five-deep tree with the same digits. One parent and the file are enough. Deeper nesting with repeated dates is usually a sign the tree is doing the job of a search box. The warning in why a single desktop folder fails is about no structure. The opposite illness is structure that repeats itself until you stop maintaining it.
Agree on one pattern for a collection
A collection can follow folder-holds-the-date or file-holds-the-date, and it should not mix them at random. Write the choice in a single line at the top of the collection. New files are easy to name when the line exists and painful when each volunteer invents a level. Clubs feel this most, because the person who started the tree is not the person adding this year's minutes. The retention note described for a hobby club is a natural place to mention the pattern, so naming and keeping are decided together instead of in two documents nobody opens.
Rename at the level that is wrong, not at every level
If the dates are in the wrong place, fix the place that people actually browse. Renaming both folders and files in one night is how typos creep into an otherwise careful archive. Change the folder names first if you browse by folder, then adjust file names only where a file would be confusing alone. Keep a note of the old path for anything you have already shared with someone else, because their copy still has the old name and they will write to you about a file you can no longer find. Names are addresses. Changing them without a forwarding note breaks the correspondence.
Frequently asked questions
Is it bad to repeat the year on the file and the folder? A repeated year is harmless and sometimes useful. A repeated full sentence is clutter. Repeat the smallest piece of date that keeps a loose file understandable.
What about photos that already have a date inside the file? Internal dates help software. They do not help you when the file is listed in a window that does not read them. A prefix or a dated folder still earns its place.
How deep should the folders go? Stop at the depth you will still click through on a tired day. Two or three levels with clear names beat six levels that exist to hold a date you could have typed once.